<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			html{
				padding: 0px;
				margin: 0px;
			}
			body{
				background-color: #f2f2f2;
				padding: 0px;
				margin: 0px;
			}
			h1{
				color: #003366;
				font-size: 24px;
				/* background-color: aqua; */
				text-align: center;
			}
			p{
				color: black;
				font-size: 16px;
				margin-left: 20px;
			}
			button{
				margin-right: 10px;
				background-color: #add8e6;
			}
			.button-group {  
			    display: flex; 
			    justify-content: right; 
				/* background-color: skyblue; */
			}  
			button:last-child{
				margin-right: 0px;
				background-color: darkmagenta;
				font-size: 10px;
			}			
		
		</style>
	</head>
	<body>
		<h1>欢迎来到我的网站</h1>
		<p>这是一个使用CSS进行样式设计的页面。</p>
		<div class="button-group">
			<button>按钮1</button>
			<button>按钮2</button>
			<button>按钮3</button>
			<!-- <input type="submit" value="submit"/> -->
			<!-- <span style="background-color: green;display: block;">123</span> -->
		</div>
	</body>
</html>
